Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 2 · 40 questions

Remember (Find the topic, use the idea): Read the question and find its topic: hardware or software, units, memory, files, or editing text. Use that lesson’s idea — can you touch it, multiply to change units, RAM forgets, which file action, which shortcut. For unit sums, write the rule first (1 byte = 8 bits, 1 KB = 1024 bytes) and then multiply.

1. 1.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
2. 2.True or false: Ctrl+X is the shortcut to save. (a) False (b) True
3. 3.💾 How many bits are there in 11 bytes?
4. 4.🧰 Is a printer a storage, input or output device? (a) a storage device (b) an output device (c) an input device
5. 5.📄 A file name ends in .txt. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
6. 6.🧰 Is a scanner a storage, input or output device? (a) an input device (b) a storage device (c) an output device
7. 7.🧩 Is a web browser hardware or software? (a) hardware (b) software
8. 8.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
9. 9.📄 What does a word processor help us do? (a) type and edit text (b) fly a kite (c) water plants (d) cook food
10. 10.Which of these is hardware? (a) a calculator app (b) a word processor (c) a web browser (d) a keyboard
11. 11.💾 How many KB are there in 1 MB?
12. 12.💾 How many MB are there in 3 GB?
13. 13.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws
14. 14.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
15. 15.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
16. 16.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
17. 17.💾 How many bits are there in 12 bytes?
18. 18.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
19. 19.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a monitor (d) a paint program
20. 20.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Undo (c) Backspace (d) Copy
21. 21.📁 Which word means to “store your work” (for a file or folder)? (a) move (b) copy (c) save (d) rename
22. 22.Which of these is true of RAM? (a) is permanent storage (b) holds apps that are open (c) keeps your saved files (d) keeps data when off
23. 23.✋ Which can we touch: hardware or software? (a) hardware (b) software
24. 24.💾 How many KB are there in 4 MB?
25. 25.🔍 Which is the odd one out? (a) monitor (b) microphone (c) mouse (d) scanner
26. 26.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) redo (c) undo (d) paste
27. 27.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Cut (c) Copy (d) Save
28. 28.💾 Which is smaller: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
29. 29.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the toolbar (d) the cursor
30. 30.True or false: a hard disk is software. (a) True (b) False
31. 31.📄 A file name ends in .mkv. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
32. 32.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
33. 33.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) select all (c) save (d) redo
34. 34.🔍 Which is the odd one out? (a) an operating system (b) a typing tutor (c) a monitor (d) a paint program
35. 35.🧩 Is a word processor hardware or software? (a) hardware (b) software
36. 36.📷 A camera keeps its photos on a small ___. (a) keyboard (b) speaker (c) mouse pad (d) memory card
37. 37.🏷️ Every file has a ___ so we can find it. (a) taste (b) smell (c) weight (d) name
38. 38.What does it mean to open a file? (a) see what is inside (b) throw it away (c) get rid of it (d) put it in another place
39. 39.🔍 Which is the odd one out? (a) printer (b) solid-state drive (c) monitor (d) speaker
40. 40.True or false: a memory card is a storage device. (a) False (b) True

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